Concept explainers
JosĂ© is 3 years younger than 3 times his brother’s age. Write a rule that represents JosĂ©’s age
How old is José if his brother is 5?
To find: age of Jose and write rule which represents Jose’s age j as function of his brother’s age b.
Answer to Problem 11P
12 year old is the age of Jose when his brother is 5 year old.
Explanation of Solution
Given information:
Jose is 3 year younger than 3 times of his brother’s age.
Consider Jose’s age is J and his brother’s age is b.
Write it in mathematically,
This is the required rule,
Now find the age of Jose if his brother is 5 year old,
12 year old is the age of Jose when his brother is 5 year old.
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